Answer:
the answer is 312 hopes this helps
Explanation:
the square root of 144 is 12
12+12^2 =?
12+144=156
156x6=936
936/3=?
312
12
144+12^2-72x6/3 would be just simply 144. The square root of a number would be trying to find a number multiplied by itself, which would be the original number. So the square root of 144 would be 12.
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